152573257 has 2 divisors, whose sum is σ = 152573258. Its totient is φ = 152573256.

The previous prime is 152573251. The next prime is 152573353. The reversal of 152573257 is 752375251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103306896 + 49266361 = 10164^2 + 7019^2 .

It is an emirp because it is prime and its reverse (752375251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152573257 - 2⁷ = 152573129 is a prime.

It is not a weakly prime, because it can be changed into another prime (152573251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76286628 + 76286629.

It is an arithmetic number, because the mean of its divisors is an integer number (76286629).

Almost surely, 2^152573257 is an apocalyptic number.

It is an amenable number.

152573257 is a deficient number, since it is larger than the sum of its proper divisors (1).

152573257 is an equidigital number, since it uses as much as digits as its factorization.

152573257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73500, while the sum is 37.

The square root of 152573257 is about 12352.0547683371. The cubic root of 152573257 is about 534.3504003222.

The spelling of 152573257 in words is "one hundred fifty-two million, five hundred seventy-three thousand, two hundred fifty-seven".